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Interior Surface Modification of Bacteriophage MS2

Hooker, Jacob M., Kovacs, Ernest W., Francis, Matthew B.·2004·Journal of the American Chemical Society

Abstract

An efficient strategy for the interior surface functionalization of MS2 viral capsids is reported, featuring a new hetero-Diels-Alder bioconjugation reaction. After virus isolation, the RNA genome was removed from the spherical particles by exposure to pH 11.8 conditions for a period of 4 h. Following this, 180 tyrosine residues on the interior surface of each "empty" capsid shell were modified by using a site-selective diazonium-coupling reaction. To attach additional functionality, the azo conjugate was reduced with Na2S2O4 to afford an ortho-amino tyrosine derivative. Oxidation of this moiety with NaIO4 produced an o-iminoquinone on the protein surface, which was found to undergo an efficient hetero-Diels-Alder reaction with N-(4-aminophenyl)acrylamide. This four-step procedure can be carried out in under 4 h, reaches high levels of conversion, and yields the desired conjugates in >60% overall yield.

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Metadata

Authors
Hooker, J. M., Kovacs, E. W., & Francis, M. B.
Venue
Journal of the American Chemical Society
Published
2004-03-01
Volume
126
Issue
12
Pages
3718-3719
ISSN
  • 0002-7863 (ISSN-L)
  • 1520-5126
OpenAlex
W2025747013
Cited by
334
References
1
FWCI
16.69
Type
journal article
Language
en
Open access
closed

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CoChat. (2026). Citation check: Interior Surface Modification of Bacteriophage MS2. https://app.cochat.ai/papers/10.1021/ja031790q
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Hooker, J. M., Kovacs, E. W., & Francis, M. B. (2004). Interior Surface Modification of Bacteriophage MS2. Journal of the American Chemical Society. https://doi.org/10.1021/ja031790q

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